package SEDay03;

import java.util.Scanner;

public class Subject2 {
    public static void main(String arg[]) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入你的成绩：");

        int score = scanner.nextInt();

        if (score >= 0 && score <= 100) {
            if (score >= 90 && score <= 100) {
                System.out.println("优秀");
            } else if (score >= 80 && score < 90) {
                System.out.println("好");
            } else if (score >= 70 && score < 80) {
                System.out.println("良");
            } else if (score >= 60 && score < 70) {
                System.out.println("及格");
            } else if (score < 60) {
                System.out.println("不及格");
            }
        } else {
            System.out.println("你输入的成绩有误！");
        }
    }
}
